Table 2.

Bivariate associations and logistic regression analyses of risk factors regarding indications of SUP 3 years after initiation of treatment.

	Bivariate associations	Model 1	Model 2
			Full model
	OR (95% CI)	OR (95% CI)	OR (95% CI)
1. Lack of occupation	1.02 (0.63–1.64)	0.93 (0.56–1.56)	0.93 (0.53–1.62)
2. Problems at school	1.26 (0.82–1.94)	1.29 (0.80–2.05)	1.29 (0.80–2.08)
3. Placement in foster care/residential home	1.77 (1.11–2.81)*	1.72 (1.05–2.80)*	1.63 (0.99–2.70)
4. Problems in childhood environment	1.10 (0.75–1.60)	1.13 (0.73–1.73)	1.05 (0.68–1.62)
5. Early drug debut	1.79 (1.14–2.80)*	1.70 (1.05–2.71)*	1.92 (1.17–3.14)*
6. Delinquent peers	1.45 (0.91–2.31)	1.42 (0.88–2.29)	1.26 (0.76–2.08)
7. Exposure to violence	0.87 (0.60–1.28)	0.83 (0.54–1.27)	0.89 (0.57–1.39)
8. Depression	0.77 (0.52–1.15)	0.70 (0.45–1.10)	0.76 (0.47–1.22)
9. Violent behavior	1.21 (0.77–1.89)	1.44 (0.88–2.35)	1.44 (0.87–2.38)
10. Traumatic events	0.81 (0.55–1.20)	0.70 (0.45–1.09)	0.79 (0.50–1.25)

^* p <0.05.

^**p <0.01.

Odds ratios and confidence intervals are presented (n = 451).

Model 1 includes risk factors 1–10 and Model 2 includes risk factors 1–10 as well as age, gender, and primary drug use frequency at intake.